My 18 month old son seems to feel very little pain.
Ever since my son was born he has been a fairly sturdy character. I have watched him smack his head on concrete with barely a sniffle, I've watched him fall headfirst out of a booster seat and land on hardwood flooring without getting any reaction from him (all the patrons in that restaurant unanimously agreed it was strange that he didn't get upset), and tonight I watched him slip and smack his head on our linoleum flooring. Tonight, by far, is the most vicious accident I have witnessed with the end results being a bloody nose, two bright red lines crossing across the exterior of his nose, and a massive raised bump on his head. He immediately asked for a hug and cried for less than 30 seconds before merrily continuing his play.
This is getting increasingly worrisome for my husband and I. We have tried the method of engaging our son in a playful activity and then spontaneously pinching him to see if he can feel pain but we can't determine the outcome because whether we mock pinch him or maliciously do it, he just seems upset by the pinching motion. (This experiment has been done twice; once for each parent since he responds differently to us.) He does cry when getting shots but only for a few seconds.
He's never truly been sick (excluding a few minor colds), the only two times he ran a fever they were short lived and did not require medical attention, he's up-to-date on all of his shots, we rarely give him any medication, he wasn't premature, and I never experienced any difficulties with either my pregnancy or labor. Our son is also either 'on-time' or 'ahead of the curve' when it comes to milestones. It's just this whole pain issue that seems to be the problem. We have also tried talking to his pediatrician but the doctors in our surrounding area are woefully inadequate when it comes to diagnosing anything important.
I'm going out of my mind with worry. Does anyone have any experience with this?